Reflowable Layout

RTL related bugs are fixed in BookViewController.m
For old RTL Books which do not have page-progression-direction=”rtl” property in spine,
New function setRTL:(BOOL)isRTL is added.

MediaOverlay
Bugs Fixed the functions below are not fired sometimes.

-(void)reflowableViewController:(ReflowableViewController *)rvc parallelDidStart:(Parallel *)parallel;
-(void)reflowableViewController:(ReflowableViewController *)rvc parallelDidEnd:(Parallel *)parallel;
-(void)parallesDidEnd:(ReflowableViewController *)rvc;

Fixed Layout
Bugs Fixed when FileName has whitespaces, Loading pages sometimes is failed.